 She played the role of "Mary" and 30 years later in 2014 the role of "Mommo" in Tom Murphy's play "Bailegangaire", presented by the Druid Theatre Company at the Town Hall Theatre, Galway.The critic for "The Irish Times" wrote Mullen's "astonishing performance comes an amplification of her earlier character’s pain and humour..." and called her performance "transcendental.